#aggre-table {
    border-collapse: collapse;
    width: 650px;
    margin: 20px auto;
}
#aggre-table td {
    font-size: 14px;
    padding: 2px;
    border: solid 1px #cdcdcd;
    margin: 0;
    text-align: center;
}

.incr {
    color: red;
}

.decr {
    color: #32CD32;
}